Direct Blue 71 structure

Direct Blue 71

TL;DR: Direct Blue 71 (CAS 4399-55-7) is a chemical compound with molecular formula C40H23N7Na4O13S4 and molecular weight 1028.98 g/mol, supplied by Kehong Biological (Henan Kehong Biological Technology Co., Ltd.) with CRO/CDMO custom synthesis services.

tetrasodium;3-[[4-[[4-[(6-amino-1-hydroxy-3-sulfonatonaphthalen-2-yl)diazenyl]-6-sulfonatonaphthalen-1-yl]diazenyl]naphthalen-1-yl]diazenyl]naphthalene-1,5-disulfonate

Also Known As: Direct Blue 71, DIRECTBLUE71, C.I. Direct Blue 71, starbld0009568, DIRECT FAST BLUE

CAS: 4399-55-7
Molecular Formula C40H23N7Na4O13S4
Molecular Weight 1028.98 g/mol
LogP -3.53
Topological Polar Surface Area 383.0 Ų
Hydrogen Bond Donors 2
Hydrogen Bond Acceptors 20
Rotatable Bonds 6
Exact Mass 1028.9828
Heavy Atoms 68
Complexity 2160.0

Chemical Identifiers

CAS Number 4399-55-7
SMILES C1=CC=C2C(=C1)C(=CC=C2N=NC3=CC4=C(C=CC=C4S(=O)(=O)[O-])C(=C3)S(=O)(=O)[O-])N=NC5=C6C=CC(=CC6=C(C=C5)N=NC7=C(C=C8C=C(C=CC8=C7O)N)S(=O)(=O)[O-])S(=O)(=O)[O-].[Na+].[Na+].[Na+].[Na+]
InChIKey QTTDXDAWQMDLOF-UHFFFAOYSA-J

Patent-Derived Application Labels

Derived from 9 IPC patent classification(s) across the SureChEMBL global patent database.

Catalysts (2 patents) Coatings & Adhesives (34 patents) Dyes & Pigments (4 patents) Heterocyclic Building Blocks (5 patents) Organic Building Blocks (8 patents) +4 more

Product Overview

Direct Blue 71 (CAS 4399-55-7), with molecular formula C40H23N7Na4O13S4 and molecular weight 1028.98 g/mol. IUPAC: tetrasodium;3-[[4-[[4-[(6-amino-1-hydroxy-3-sulfonatonaphthalen-2-yl)diazenyl]-6-sulfonatonaphthalen-1-yl]diazenyl]naphthalen-1-yl]diazenyl]naphthalene-1,5-disulfonate.

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Safety Data Sheet (MSDS / SDS) View the Laboratory Chemical Safety Summary (LCSS) on PubChem — includes GHS classifications, hazard statements, first aid measures, and handling precautions.
View MSDS →

Chemical Property Profile of Direct Blue 71

XLogP
-3.53
TPSA (Topological Polar Surface Area)
383.0
Hydrogen Bond Donors
2
Hydrogen Bond Acceptors
20
Rotatable Bonds
6
Heavy Atoms
68
Complexity
2160.0
Exact Mass
1028.9828
Monoisotopic Mass
1028.9828
Data Source: Chemical property values are referenced from PubChem, the world's largest open chemistry database maintained by the National Center for Biotechnology Information (NCBI), U.S. National Library of Medicine.

Property Insights of Direct Blue 71

The XLogP value of -3.53 indicates that Direct Blue 71 is hydrophilic (water-soluble), making it suitable for aqueous formulations and biological assay applications. The TPSA of 383.0 Ų indicates high polarity, suggesting Direct Blue 71 may have limited membrane permeability but good aqueous solubility. Following Lipinski's Rule of Five, Direct Blue 71 has 2 hydrogen bond donor(s) and 20 hydrogen bond acceptor(s), which may warrant consideration for formulation optimization.

Frequently Asked Questions

What is the typical lead time for this product?
Lead time typically ranges from 3-7 business days for in-stock items. For larger quantities or custom orders, please contact us for specific lead times.
Can you provide samples for testing?
Yes, we offer sample quantities for quality testing. Please submit an inquiry with your requirements and we will arrange samples accordingly.
What documentation do you provide with the product?
We provide COA (Certificate of Analysis), MSDS (Material Safety Data Sheet), and technical data sheets with each shipment.
Do you ship internationally?
Yes, we ship to most countries worldwide. Shipping costs and delivery times vary by location. Please contact us for specific shipping information.

Frequently Asked Questions

What is the CAS number of Direct Blue 71?

The CAS number of Direct Blue 71 is 4399-55-7.

What is the molecular formula of Direct Blue 71?

The molecular formula of Direct Blue 71 is C40H23N7Na4O13S4.

What is the molecular weight of Direct Blue 71?

The molecular weight of Direct Blue 71 is 1028.98 g/mol.

Where can I buy Direct Blue 71?

You can request a quote for Direct Blue 71 directly from KEHONG BIO. Contact us or email info@kehongbio.com for pricing and availability.

Does KEHONG BIO offer custom synthesis for Direct Blue 71?

Yes, KEHONG BIO provides custom synthesis services for Direct Blue 71 and related compounds. Contact us with your specific requirements including quantity, purity, and timeline.

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